Suppose that the market for microwave ovens is a perfectly competitive market. The following graph shows the daily cost curves of a firm operating in this market.Suppose that the market for microwave ovens is a perfectly competitive market. The following graph shows the daily cost curves of a firm operating in

this market.

In the short run, at a market price of $$30$ per microwave, this firm will choose to produce

microwaves per day.

On the previous graph, use the blue rectangle $($circle symbols$)$ to shade the area representing the firm's profit or loss if the market price is $$30$ and

the firm chooses to produce the quantity you already selected.

Note: In the following question, you should enter a positive number in the numeric entry field.

The area of this rectangle indicates that the firm's

would be

per day.